Detailed information on this topic can be found at. In some cases, the problem can be solved by installing all patches or reprogramming the firmware however, some devices remain vulnerable. There is even an exploit written especially for the popular HP IPAQ 5450 pocket PC. All Bluetooth devices manufactured by these companies are at risk and can be attacked at any moment. The complete listing of hardware manufacturers that use this vulnerable software includes more than three dozen companies. In addition, WIDCOMM is actively used by many companies, including Logitech, Samsung, Sony, Texas Instruments, Compaq, and Dell. This vulnerability is typical for BTStackServer versions 1.3.2.7, 1.4.1.03, and 1.4.2.10, used in Windows 98, Windows XP, Windows CE, and other systems. After that, there wouldn't be any need to undertake a brute-force attack on the PIN. In August 2004, a nontrivial buffer overflow was detected in WIDCOMM, which allowed attackers to gain control over a Bluetooth-enabled device by sending a specially prepared packet to it. And their point of view is well grounded!
Having burnt their fingers on someone else's errors a couple of times, they do not trust to any code except the one that they have developed on their own. Old-school programmers (such as Yury Haron) know only too well the true price for "ready-to-use" solutions. Bluetooth developers supply commercial software to support it, distributed under the WIDCOMM trademark (for wireless Internet and data/voice communications), which relieves hardware manufacturers from needing to implement the entire protocol stack on their own.
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